Home / 190,867.40-286,301.10-189,117.80

Finding the Fourth Proportional to 190,867.40, 286,301.10 and 189,117.80

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Solution

The fourth proportional to 190,867.40, 286,301.10 and 189,117.80 is: 283,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,867.40 : 286,301.10 = 189,117.80 : x
  2. Step 2: Convert to fraction form
    190,867.40/286,301.10 = 189,117.80/x
  3. Step 3: Cross multiply
    190,867.40x = 286,301.10 × 189,117.80
  4. Step 4: Simplify right side
    190,867.40x = 54,144,634,169.58
  5. Step 5: Solve for x
    x = 54,144,634,169.58/190,867.40
  6. Step 6: Final answer
    x = 283,676.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.